题目内容
It is obvious to the students ______ they should get well prepared for their future.
A. as B. which C. whether D. that
D
解析:
考查名词性从句中的主语从句用法。此处要分析句子结构,看出it为形式主语,代替that they should get well prepared for their future,并且本句意思完整,故选D。
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